dotikalnica
1. tangenta, dotikalnica
ratio of the opposite to the adjacent side of a right-angled triangle [razmerje med nasprotno in priležno stranico pravokotnega trikotnika]
2. dotikalnica, tangenta
a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point [ravna črta ali ravnina, ki se dotika krivulje ali ukrivljene površine v točki, vendar se je v tej točki ne sekajo]